Broadband acoustic diode by using two structured impedance-matched acoustic metasurfaces
An acoustic diode (AD) is proposed and designed based on a mechanism different from the previous designs by using two structured impedance-matched acoustic metasurfaces. This AD can realize unidirectional acoustic transmission within a broad band with high transmission efficiency due to the impedanc...
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| Veröffentlicht in: | Applied physics letters 2016-07, Vol.109 (4) |
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| container_title | Applied physics letters |
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| creator | Wang, Xiao-Peng Wan, Le-Le Chen, Tian-Ning Liang, Qing-Xuan Song, Ai-Ling |
| description | An acoustic diode (AD) is proposed and designed based on a mechanism different from the previous designs by using two structured impedance-matched acoustic metasurfaces. This AD can realize unidirectional acoustic transmission within a broad band with high transmission efficiency due to the impedance-matching condition while allowing other entities such as objects or fluids to pass freely. What is more, the backtracking waves that come from the incoming waves can be efficiently prevented and cannot disturb the source. The acoustic pressure field distribution, intensity distribution, and transmission efficiency are calculated by using the finite element method. The simulation results agree well with the theoretical predictions. Our proposed mechanism can experimentally provide a simple approach to design an AD and have potential applications in various fields such as medical ultrasound and noise insulation. |
| doi_str_mv | 10.1063/1.4960019 |
| format | Article |
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This AD can realize unidirectional acoustic transmission within a broad band with high transmission efficiency due to the impedance-matching condition while allowing other entities such as objects or fluids to pass freely. What is more, the backtracking waves that come from the incoming waves can be efficiently prevented and cannot disturb the source. The acoustic pressure field distribution, intensity distribution, and transmission efficiency are calculated by using the finite element method. The simulation results agree well with the theoretical predictions. Our proposed mechanism can experimentally provide a simple approach to design an AD and have potential applications in various fields such as medical ultrasound and noise insulation.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.4960019</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Acoustic impedance ; Acoustic insulation ; Acoustic noise ; Acoustics ; Applied physics ; Broadband ; Computational fluid dynamics ; Computer simulation ; Computing time ; Design ; Finite element method ; Impedance matching ; Metasurfaces ; Noise control ; Sound transmission ; Stress concentration ; Transmission efficiency</subject><ispartof>Applied physics letters, 2016-07, Vol.109 (4)</ispartof><rights>Author(s)</rights><rights>2016 Author(s). 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Our proposed mechanism can experimentally provide a simple approach to design an AD and have potential applications in various fields such as medical ultrasound and noise insulation.</description><subject>Acoustic impedance</subject><subject>Acoustic insulation</subject><subject>Acoustic noise</subject><subject>Acoustics</subject><subject>Applied physics</subject><subject>Broadband</subject><subject>Computational fluid dynamics</subject><subject>Computer simulation</subject><subject>Computing time</subject><subject>Design</subject><subject>Finite element method</subject><subject>Impedance matching</subject><subject>Metasurfaces</subject><subject>Noise control</subject><subject>Sound transmission</subject><subject>Stress concentration</subject><subject>Transmission efficiency</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp90E1LxDAQBuAgCq6rB_9BwZNC10zSptujLn7BghcFb2GaTLWLbWqSKvvvreyiguBpGHjmHXgZOwY-A67kOcyyUnEO5Q6bAC-KVALMd9mEcy5TVeawzw5CWI1rLqScsKdL79BW2NkEjRtCbExiG2cpqdbJEJruOYkfLgnRDyYOnmzStD1Z7AylLUbzQr8OW4oYBl-joXDI9mp8DXS0nVP2eH31sLhNl_c3d4uLZWpkKWMqrOBUUQnKGqozLNByAeW84ogklM1VblDMq6yAIstytERgs7wuMqhkYSo5ZSeb3N67t4FC1Cs3-G58qQUIKHiulBzV6UYZ70LwVOveNy36tQauv4rToLfFjfZsY4NpIsbGdd_43fkfqHtb_4f_Jn8CcJd9Qw</recordid><startdate>20160725</startdate><enddate>20160725</enddate><creator>Wang, Xiao-Peng</creator><creator>Wan, Le-Le</creator><creator>Chen, Tian-Ning</creator><creator>Liang, Qing-Xuan</creator><creator>Song, Ai-Ling</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4503-6440</orcidid><orcidid>https://orcid.org/0000-0002-8631-120X</orcidid></search><sort><creationdate>20160725</creationdate><title>Broadband acoustic diode by using two structured impedance-matched acoustic metasurfaces</title><author>Wang, Xiao-Peng ; Wan, Le-Le ; Chen, Tian-Ning ; Liang, Qing-Xuan ; Song, Ai-Ling</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-2d20ebe916dcef4a7ad02198b0aae26d565ca28b4717445adee1d45f741b37cb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Acoustic impedance</topic><topic>Acoustic insulation</topic><topic>Acoustic noise</topic><topic>Acoustics</topic><topic>Applied physics</topic><topic>Broadband</topic><topic>Computational fluid dynamics</topic><topic>Computer simulation</topic><topic>Computing time</topic><topic>Design</topic><topic>Finite element method</topic><topic>Impedance matching</topic><topic>Metasurfaces</topic><topic>Noise control</topic><topic>Sound transmission</topic><topic>Stress concentration</topic><topic>Transmission efficiency</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Xiao-Peng</creatorcontrib><creatorcontrib>Wan, Le-Le</creatorcontrib><creatorcontrib>Chen, Tian-Ning</creatorcontrib><creatorcontrib>Liang, Qing-Xuan</creatorcontrib><creatorcontrib>Song, Ai-Ling</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Xiao-Peng</au><au>Wan, Le-Le</au><au>Chen, Tian-Ning</au><au>Liang, Qing-Xuan</au><au>Song, Ai-Ling</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Broadband acoustic diode by using two structured impedance-matched acoustic metasurfaces</atitle><jtitle>Applied physics letters</jtitle><date>2016-07-25</date><risdate>2016</risdate><volume>109</volume><issue>4</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>An acoustic diode (AD) is proposed and designed based on a mechanism different from the previous designs by using two structured impedance-matched acoustic metasurfaces. This AD can realize unidirectional acoustic transmission within a broad band with high transmission efficiency due to the impedance-matching condition while allowing other entities such as objects or fluids to pass freely. What is more, the backtracking waves that come from the incoming waves can be efficiently prevented and cannot disturb the source. The acoustic pressure field distribution, intensity distribution, and transmission efficiency are calculated by using the finite element method. The simulation results agree well with the theoretical predictions. Our proposed mechanism can experimentally provide a simple approach to design an AD and have potential applications in various fields such as medical ultrasound and noise insulation.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4960019</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-4503-6440</orcidid><orcidid>https://orcid.org/0000-0002-8631-120X</orcidid></addata></record> |
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| ispartof | Applied physics letters, 2016-07, Vol.109 (4) |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Acoustic impedance Acoustic insulation Acoustic noise Acoustics Applied physics Broadband Computational fluid dynamics Computer simulation Computing time Design Finite element method Impedance matching Metasurfaces Noise control Sound transmission Stress concentration Transmission efficiency |
| title | Broadband acoustic diode by using two structured impedance-matched acoustic metasurfaces |
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